What are nor'westers, known as Kalbaishakhi in Bengali?
Answer and explanation
Correct answer: D. Violent thunderstorms in the pre-monsoon season
- Step 1: In the pre-monsoon hot weather season (April and May), strong solar heating creates severe convective instability across the Bengal basin. Answer: Violent thunderstorms in the pre-monsoon season. Why not the others: Cold dry winds that blow across the plains in the winter, Dust storms that sweep over the north-west in the winter and Warm sea breezes that cool the coast in the autumn evenings don't fit.
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